/******************************************************
 *                                                     
 *              Score System               
 *                                                     
 *******************************************************/

/**
 * ScoreTblDAO.java
 *
 * @author sundy
 * @version 0.0.1
 * lastModified 2011-01-01
 */

package com.sundy.daosupport;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.sundy.service.ScoreTbl;

/**
 * A data access object (DAO) providing persistence and search support for
 * ScoreTbl entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.sundy.service.ScoreTbl
 * @author MyEclipse Persistence Tools
 */

public class ScoreTblDAO extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(ScoreTblDAO.class);
	// property constants
	public static final String STUDENT_ID = "studentId";
	public static final String SUBJECT_ID = "subjectId";
	public static final String SCORE = "score";

	protected void initDao() {
		// do nothing
	}

	public void save(ScoreTbl transientInstance) {
		log.debug("saving ScoreTbl instance  studentid="
				+ transientInstance.getStudentId() + " subjectid="
				+ transientInstance.getSubjectId() + " score="
				+ transientInstance.getScore());
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(ScoreTbl persistentInstance) {
		log.debug("deleting ScoreTbl instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public ScoreTbl findById(java.lang.Integer id) {
		log.debug("getting ScoreTbl instance with id: " + id);
		try {
			ScoreTbl instance = (ScoreTbl) getHibernateTemplate().get(
					"com.sundy.service.ScoreTbl", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	@SuppressWarnings("unchecked")
	public List<ScoreTbl> findByExample(ScoreTbl instance) {
		log.debug("finding ScoreTbl instance by example");
		try {
			List<ScoreTbl> results = getHibernateTemplate().findByExample(
					instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	@SuppressWarnings("unchecked")
	public List<ScoreTbl> findByProperty(String propertyName, Object value) {
		log.debug("finding ScoreTbl instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from ScoreTbl as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List<ScoreTbl> findByStudentId(Object studentId) {
		return findByProperty(STUDENT_ID, studentId);
	}

	public List<ScoreTbl> findBySubjectId(Object subjectId) {
		return findByProperty(SUBJECT_ID, subjectId);
	}

	public List<ScoreTbl> findByScore(Object score) {
		return findByProperty(SCORE, score);
	}

	@SuppressWarnings("unchecked")
	public ScoreTbl finByStudentSubject(Object studentId, Object subObjectId) {
		log.debug("finding ScoreTbl instance with studentId: " + studentId
				+ ", subObjectId: " + subObjectId);
		try {
			String queryString = "from ScoreTbl as model where model.studentId=? and model.subjectId=?";
			List<ScoreTbl> list = getHibernateTemplate().find(queryString,
					studentId, subObjectId);
			if (list == null || list.isEmpty())
				return null;
			return list.get(0);
		} catch (RuntimeException re) {
			log.error("find by property studentId and subObjectId failed", re);
			throw re;
		}
	}

	@SuppressWarnings("unchecked")
	public List<ScoreTbl> findAll() {
		log.debug("finding all ScoreTbl instances");
		try {
			String queryString = "from ScoreTbl";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public ScoreTbl merge(ScoreTbl detachedInstance) {
		log.debug("merging ScoreTbl instance studentid="
				+ detachedInstance.getStudentId() + " subjectid="
				+ detachedInstance.getSubjectId() + " score="
				+ detachedInstance.getScore());
		try {
			ScoreTbl result = (ScoreTbl) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(ScoreTbl instance) {
		log.debug("attaching dirty ScoreTbl instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(ScoreTbl instance) {
		log.debug("attaching clean ScoreTbl instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static ScoreTblDAO getFromApplicationContext(ApplicationContext ctx) {
		return (ScoreTblDAO) ctx.getBean("ScoreTblDAO");
	}
}